fork download
copy 
  1.     #include <iostream>
  2.  
  3.     template <typename DT, int DV, void (DT::*DF)(int)>
  4.     struct Description
  5.     {
  6.         typedef DT T;                         // OK
  7.         static const int V = DV;              // OK
  8.         static void (T::*F)(int);
  9.     };
  10.  
  11.     template <typename DT, int DV, void (DT::*DF)(int)>
  12.     void (DT::* Description<DT, DV, DF>::F)(int) = DF;
  13.  
  14.     struct TestClass
  15.     {
  16.         void TestFunc( int x ) { std::cout << "Value is: " << x << std::endl; }
  17.     };
  18.  
  19.     int main()
  20.     {
  21.         typedef Description<TestClass, 5, &TestClass::TestFunc> TCD;
  22.  
  23.         TestClass t;
  24.         (t.*(TCD::F))(5);
  25.     }
Success #stdin #stdout 0.02s 2724KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Value is: 5
https://ideone.com/fM2OJ
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!